CVE Catalog

CVE-2026-78839

HighCVSS 8.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.51%

42th percentile - higher than 42% of all known CVEs

Summary

An arbitrary file upload vulnerability in AppNitro MachForm v30 allows attackers to execute arbitrary code via uploading a crafted .phar file.

Risk Assessment

Arbitrary code execution can lead to full server compromise, data theft, or installation of malware.

Recommendation

Update MachForm to the latest version and restrict allowed file types.

Related vulnerabilities

Original NVD description (English source)

An arbitrary file upload vulnerability in AppNitro MachForm v30 allows attackers to execute arbitrary code via uploading a crafted .phar file.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS